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Cyclone Mahina was the deadliest cyclone in recorded Australian history, and also potentially the most intense tropical cyclone ever recorded in the Southern Hemisphere. Mahina struck Bathurst Bay, Cape York Peninsula, colonial Queensland, on 4 March 1899, and its winds and enormous storm surge combined to kill more than 300 people. [1] [2] [3]
The most intense tropical cyclone(s) in the Australian Region were cyclones Gwenda and Inigo. By 10-minute sustained wind speed, the strongest were Cyclone Orson, Cyclone Monica and Cyclone Marcus. Storms with an intensity of 920 hPa (27.17 inHg) or less are listed. Storm information was less reliably documented and recorded before 1985. [9]
Cyclone Marcus at peak intensity on 21 March 2018, over the Indian Ocean to the west of Australia. Category 5 severe tropical cyclones are tropical cyclones that reach Category 5 intensity on the Australian tropical cyclone intensity scale within the Australian region. They are by definition the strongest tropical cyclones that can form on Earth.
Upon making landfall in Queensland as an extremely powerful Category 5 severe tropical cyclone on March 4, 1899, [16] Severe Tropical Cyclone Mahina produced a 40-foot storm surge, the highest ever recorded. The flooding killed 400–410 people, making it the deadliest cyclone in Australian history.
Tropical Cyclone Records from the Global Weather & Climate Extremes (World Meteorological Organization) Bureau of Meteorology, Australian Cyclone History; Discussion of size extremes for tropical cyclones near Australia Archived 2016-01-21 at the Wayback Machine "FAQ : Hurricanes, Typhoons, and Tropical Cyclones".
On 27 November 2014, Brisbane was hit by a Mesoscale convective system [58] which brought wind gusts up to 141 kilometres per hour (88 mph), reaching speeds of Category 2 tropical cyclones, and hail stones up to 8 centimetres (3.1 in) in diameter. It was the worst storm to hit Brisbane since 18 January 1985 [59] and caused over A$ 1 billion in ...
Caused the most widespread cyclone damage in Western Australia's history. Destroyed a large portion of the Busselton Jetty. Affected Perth with the 3rd highest recorded wind gust in the city's history, 130 km/h (81 mph), and Fremantle with a 143 km/h (89 mph) gust. Fueled bushfires which killed 2 more people indirectly. [7] Jane: 1983: 9 January
Tropical cyclones are non-frontal, low-pressure systems that develop, within an environment of warm sea surface temperatures and little vertical wind shear aloft. [1] Within the Australian region, names are assigned from three pre-determined lists, to such systems, once they reach or exceed ten–minute sustained wind speeds of 65 km/h (40 mph), near the center, by either the Australian Bureau ...